Select LOV in a report

hi,
I'm having a problem with the select LOV (query base) in my report. I'm using Application builder to construct my report. My query is this:
Select proj_desc name, proj_code code FROM TM_Proj
where (substr(:p1_customer,1,1) = '*' or :p1_customer is null)
union
Select proj_desc name, proj_code code FROM TM_Proj
where substr(:p1_customer,1,1) != '*' and :p1_customer is not null and cust_gen_nbr = :P1_customer
I consistantly get this error: ORA-20001: Error fetching column value: ORA-06502: PL/SQL: numeric or value error: character string buffer too small
I don't get this problem if I change it to "display as text based on LOV". However, when I changed it to "Popup LOV based on query," I get Popup List of Values authentication failed.
Can anyone provide any insight on this?

this is from ApEx forum, it may help;
Generated HTML for report rows cannot exceed 32K. Select lists must be >> reasonable in size. It appears that you have too many entries in them to use them >> thrice per row. You should consider popup LOVs instead.
Scott
ORA-06052 on Tabular Form w/3 select lists - LOV's.
Kind regards,
Tonguç

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Follow Up:
After some discussions with Steven I tried to move some stuff around. Eventually I found out that if the ViewObjects on which these two table-blocks are based are built on different Entity Objects, then the application works as desired.
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My oracle version Oracle Express Aplication 11g
Dear Forum
We need a CLASSIC report where i can define what information my report will show.
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Ecuador
PD: I'm not speak english very well

>
Please update your forum profile with a real handle instead of "897381".
Also the subject of this thread—POP LOV in classic Report not in a interactive Report—doesn't appear to be relevant the question asked. There's no mention of a Pop-up LOV here?
My oracle version Oracle Express Aplication 11gAlways state full version numbers, and include
<li>Full APEX version
<li>Full DB/version/edition/host OS
<li>Web server architecture (EPG, OHS or APEX listener/host OS)
<li>Browser(s) and version(s) used
as well.
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ID NAME DATE
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In my region source in classic report I write something like this:
Select id, name where DATE between :Date_picker_1 and :Datepicker_2then Ichoose the months but nothing happen.Always post code wrapped in <tt>\...\</tt> tags. And always post the actual code or a realistic reduced test case: that query is not valid SQL.
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select id, name
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Is it possible to change values in pagination select list for a report?

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Description ===========
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>
Is it possible ? IN CLASIC REPORT
>
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Regards,

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Hi All,
I have report error:
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Follow Up:
After some discussions with Steven I tried to move some stuff around. Eventually I found out that if the ViewObjects on which these two table-blocks are based are built on different Entity Objects, then the application works as desired.
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best regards,
Lucas

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Hi!
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Regards!

Hmm, I get the following error:
Updatable report parse error:
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Regards,
Ivan

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Select LOV in a report

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